Earth Science Unit Review Jeopardy Template

Solar Energy/Food Webs	Water Cycle	Carbon Cycle/Phosphorus Cycle	Nitrogen Cycle/Eutrophication	Climate change
100 A consumer that eats producers What is a primary consumer?	100 Water warms up and rises as water vapour Explain what happens during evaporation	100 Photosynthesis How does CO2 enter the biosphere?	100 Lightning, Nitrogen Fixing Bacteria List two ways nitrogen fixation occurs	100 CO2, Methane, water vapour, nitrous oxide Name 3 different greenhouse gases
200 An organism that breaks down dead organic material, and returns nutrients to the food web What is a decomposer?	200 As water vapour rises, it enters cooler areas of the atmosphere. When it cools, it condenses into water droplets Why does water condensate?	200 Short Term Phosphorus runs from rocks into the soil, and is absorbed by plants. This is the beginning of the _______________ phosphorus cycle	200 N2 is a stable gas, and needs to be altered in order for organisms to use it Why does nitrogen need to be fixated?	200 A cycle that reinforcers itself What is a positive feedback loop?
300 Due to the curvature of the Earth, the sunlight is more dispersed at the Earth’s poles, and more concentrated at the equator Why are the Earth’s poles colder than the equator?	300 Water leaves behind contaminants when it evaporates or when it travels through soil How is water naturally purified?	300 The concentration of CO2 in the ocean is higher than the concentration in the atmosphere CO2 moves from the ocean to the atmosphere. This happens because:	300 Algae dies once nutrients run out, and decomposing bacteria break down the dead organic matter Why do populations of decomposing bacteria increase after eutrophication?	300 Rising sea levels, permafrost melting and releasing methane, increased flooding Name two concerns with melting land ice
400 Temperate differences. Warm air rises, and cool air sinks then rushes in to take its place Why does wind happen on Earth?	400 Water droplets are very small, they are warmer than the surrounding air, and the cloud is kept afloat by warm updrafts of water vapour Why do clouds float?	400 Source of energy, fossil fuels, photosynthesis List two reasons carbon is important for humans	400 Fertilizer, animal waste Name two sources of nutrient runoff that can lead to eutrophication	400 More acidic due to the ocean uptaking more CO2. Acidic ocean dissolves calcium which makes up organism skeletons and shells How is ocean chemistry changing, and what is being affected?
500 Leopard Seal or Killer Whale What is the keystone species and why?	500 Water enters plants through the roots, travels through the plant and leaves through pores in the leaves as water vapour Explain what happens during transpiration	500 Leeching The process of phosphorus moving from the geosphere to the hydrosphere is called:	500 Bacteria: Nitrifying bacteria. Sources: Decomposition and Nitrogen fixing bacteria What bacteria gets its nitrogen compounds from two different sources? What are the sources?	500 Moving away from hot environment, other animals that depend on the plant for food could suffer Why are plants shifting north, and what effect might this have on an ecosystem?

Earth Science Unit Review

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